30163040 has 24 divisors (see below), whose sum is σ = 71260560. Its totient is φ = 12065152.

The previous prime is 30163033. The next prime is 30163043. The reversal of 30163040 is 4036103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94100 + ... + 94419.

It is an arithmetic number, because the mean of its divisors is an integer number (2969190).

Almost surely, 2^30163040 is an apocalyptic number.

It is an amenable number.

30163040 is an abundant number, since it is smaller than the sum of its proper divisors (41097520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30163040 is a wasteful number, since it uses less digits than its factorization.

30163040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188534 (or 188526 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30163040 is about 5492.0888557998. The cubic root of 30163040 is about 311.2851263830.

Adding to 30163040 its reverse (4036103), we get a palindrome (34199143).

The spelling of 30163040 in words is "thirty million, one hundred sixty-three thousand, forty".